GLOSSARY OF TERMS AND SYMBOLS
This glossary of terms and symbols is provided to assist you in understanding some of the
language used throughout this manual.
dB(A)
-
sound pressure level in decibels, “A” range
DC
-
direct current
AC
-
alternating current
WFCD
-
water flow control device
FB
-
feedback information
Hz
-
hertz
IC
-
integrated circuit
BTU/H
-
British thermal units per hour
PSI
-
Pounds per square inch
LED
-
light emitting diode
GPM
-
gallons per minute
mA
-
milliamps
W.C.
-
inches of water column
mm
-
millimeters
NOx
-
oxides of nitrogen NO & NO
2
OHS
-
overheat switch
PCB
-
printed circuit board
CPU
-
central processing unit
POT
-
potentiometer
rpm
-
revolutions per minute
SV
-
solenoid valve
Ø
-
diameter
∆°F
-
delta T or temperature rise above ambient
POV
-
modulating valve
TE
-
thermal efficiency
TH
-
thermistor
T
IN
-
temperature of incoming water
T
out
-
temperature of outgoing water
4
Summary of Contents for Everhot IGI-180C-5N
Page 7: ...I GENERAL INFORMATION cont CUT AWAY ILLUSTRATION 7...
Page 8: ...I GENERAL INFORMATION cont SCHEMATIC ILLUSTRATION 8...
Page 21: ...V SEQUENCE OF OPERATION cont Operation Sequence Flow Chart 21...
Page 22: ...V SEQUENCE OF OPERATION cont Operation Sequence Flow Chart 22...
Page 23: ...V SEQUENCE OF OPERATION cont Sequence Timing Chart 23...
Page 24: ...V SEQUENCE OF OPERATION cont Sequence Timing Chart 24...
Page 30: ...Wiring Schematic 30...
Page 55: ...55 X PARTS BREAKDOWN Disassembled View Cabinet...
Page 56: ...X PARTS BREAKDOWN Disassembled View Internals 56...
Page 57: ...X PARTS BREAKDOWN Disassembled View Internals 57...
Page 58: ...X PARTS BREAKDOWN Disassembled View Electrical 58...
Page 62: ...62 Notes...
Page 63: ...63 Notes...
